{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["founded by", "title of person", "city of headquarters", "spouse"], "input": "The delegation was headed by  Kenny Anthony  who leads the Labour Party and used to be the Prime Minister of  Saint Lucia  when the Caribbean country established full diplomatic ties with China in 1997 ."}
{"founded by": [], "title of person": [], "city of headquarters": [], "spouse": []}